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Finding the Fourth Proportional to 539,048.12, 744,191.12 and 358,070.24

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Solution

The fourth proportional to 539,048.12, 744,191.12 and 358,070.24 is: 494,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,048.12 : 744,191.12 = 358,070.24 : x
  2. Step 2: Convert to fraction form
    539,048.12/744,191.12 = 358,070.24/x
  3. Step 3: Cross multiply
    539,048.12x = 744,191.12 × 358,070.24
  4. Step 4: Simplify right side
    539,048.12x = 266,472,692,944.27
  5. Step 5: Solve for x
    x = 266,472,692,944.27/539,048.12
  6. Step 6: Final answer
    x = 494,339.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.